RMAN - configuration


[oracle@dbserver ~]$ rman target /

Recovery Manager: Release 19.0.0.0.0 - Production on Fri Mar 31 20:12:59 2023
Version 19.3.0.0.0
Copyright (c) 1982, 2019, Oracle and/or its affiliates.  All rights reserved.
connected to target database: PROD (DBID=544466794)
 
RMAN> show all;
 
using target database control file instead of recovery catalog
RMAN configuration parameters for a database with db_unique_name PROD is:

CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default

-CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS;

- [HOW MANY BACKUPS DO YOU WANT TO KEEP. IF YOU SET VALUE 2 IT WILL KEEP TWO DAYS BACKUP]

            - OLD BACKUP WILL COUNT AS OBSOLETE MEANS NO LONGER REQUIRED FOR RECOVERY

            - ONCE AN OBSOLETE BACKUP IS DELETED IT WILL COUNT AS AN EXPIRED BACKUP

CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS

            - HOW LONG ABLE TO RECOVER DATABASE JUST LIKE POIT IN TIME RECOVERY

CONFIGURE BACKUP OPTIMIZATION OFF; # default

            - [ON - IF NO CHANGES MADE WITH LAST BACKUP, THEN IT WILL SKIP TO TAKE BACKUP]

CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default

CONFIGURE CONTROLFILE AUTOBACKUP ON; # default

CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default

CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default

            - [ONE SERVER PROCESS WILL BE ACTIVATED]

            - TWO TYPES OF BACKUPS

>BACKUP TYPE TO BACKUPSET - STORE IN THE RMAN PROPITERIS FORMAT

                                    >1 BACKUPSET FOR DATA FILES - 1 BACKUP PIECE

                                                >ONE BACKUPSET HAVE 10 DATA FILES

                                    >1 BACKUPSET FOR CONTROL FILES - 1 BACKUP PIECE

                                    >1 ARCHIVELOG FILES - 1 BACKUP PIECE

>BACKUP TYPE TO COPY - IT'S LIKE A HOT BACKUP MEANS IF YOUR DATAFILE SIZE 10GB ONLY 4GB IS FILED UP 6GB IS FREE EVEN THOUGH YOU NEED 10GB SPACE.

CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default

CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default

            - [HOW MANY COPYIES DO YOU WANT]

CONFIGURE MAXSETSIZE TO UNLIMITED; # default

CONFIGURE ENCRYPTION FOR DATABASE OFF; # default

CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default

CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE; # default

            - [BACKUP SIZE WOULD BE REDUCE. IF YOU USE HIGH COMPRESSION THEN IT WILL CONSUME MUCH MORE CPU]

CONFIGURE RMAN OUTPUT TO KEEP FOR 7 DAYS; # default

            - [BACKUP WOULD BE STORE ONLY 7 DAYS]

CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default

            - [SPECIFIES THE ARCHIVE LOG DELETION POLICY]

- CONFIGURE ARCHIVELOG DELETION POLICY TO BACKED UP 1 TIMES TO DISK; [ONCE THE ARCHIVE LOGFILE BACKUP THEN IT CAN BE DELETED AUTOMATICALLY]

CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/19.0.0/dbhome_1/dbs/snapcf_prod.f'; # default
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